SUMMARY

• Over Seven (7) years of IT experience as a system administrator for various platforms: RHEL 3.0/4.0/5.0/6.0 , AIX 5.2/5.3/6.1/7.1 , SOLARIS 9/10/11, SUSE and Cent OS, Ubuntu and WindowsOperating Systems.
• Extensive experience in planning, designing, installation, configuration, maintenance, upgrading, deployment, production support of Unix/Linux environment.
• Installed, configured and administered Kickstart, Jumpstart in various Red Hat and IBM server.
• Experience in installation as well as configuration of various Unix/Linux platforms: DHCP, DNS, NFS, FTP, SSH, SendMail, Apache, Samba, RPM package management.
• Configured server hardware and performed kernel tuning based on the applications to be installed and the number of users.
• Experienced in deploying RHEL 6x, 5x in an enterprise setting.
• Installed and configuration ZFS on test environment servers.
• Monitoring and troubleshooting Servers using tools like Nagios,, iMon and Nmon.
• Efficiency in installing, configuring and implementing the RAID technologies using Veritas Volume manager.
• Highly experienced in Installing, Configuring, and Implementing Virtualization Environment Using VMware (Server and Desktop software), Oracle Virtual Box, and Microsoft Virtual PC.
• Provide and reviewed technical support for technical documentation of UNIX server builds and helped in disaster recovery operations.
• Have a good knowledge about basic shell scripting written in Bash, Ruby and Python to automate tasks.
• Experienced in setting up a PXE boot environment with Centos Linux, and Red Hat.
• Expert in Veritas Volume manager (VxVM), creating new file systems, mounting file systems and un - mounting file systems.
• Extensive experience in Installation, Configuration and Troubleshooting of various web server issues including Netscape Enterprise Server 4.0, IBM http server, Apache Web Server 2.x/1.x, Tomcat 5.x/4.x/3.x.
• Configured Network Concepts DNS, NIS and DHCP, troubleshooting network problems such as TCP/IP, providing support for users in solving their problems.
• Knowledge of virtualization implementations such as VMWare and Xen on Redhat.
• Extensively worked on deploying and support applications on Websphere, Tomcat, Weblogic application servers.
• Server Consolidation and Migration of Applications on Oracle and Java Applications.
• Worked on Maven and Hudson.
• Worked on tortoiseSVN and WebSVN as GUI clients for Subversion.
• Worked on Ant, Maven, Perl and Bash Scripts for automating build and release tasks.
• Expertise in implementation and maintenance of DHCP, NFS, NIS, DNS & Apache SMTP.
• Operationally supported systems in AWS Networking and security administration and troubleshooting. Package and configuration management using Puppet.
• Involved in setting up Puppet Master/Client to automate installation and configuration across the environment.
• Expertise with automation tools like puppet to push updates like sudo, SSH, Sendmail and patches.
• Excellent scripting skills in UNIX Shell, Perl, python and Ruby.
• Performed server consolidation and virtualization using HPSA VSphere ESX 3.5/4/4.1; created VM’s on Virtual Center server and installed guest OS using Virtual Infrastructure client.
• Provided Troubleshooting and Customer support in critical 24x7 production and development environments.

TECHNICAL SKILLS

Operating Sys: MS Windows XP/2000/NT/98, UNIX, Linux, MS DOS

Languages: JAVA C, C++, VB.NET, ASP.NET, C#

Database: DB2, Oracle 10g and 9i, Derby, Cloudscape, PL/SQL, SQL 2005 Scripting

Languages: JavaScript, Shell Programming, XML, PERL, HTML, PYTHON

Tools: MS Office Suite

Build Tools: ANT, Maven, MS build, Puppet, Cruise Control, Anthill Pro, Jenkins, and Hudson

SCM Tools: CVS, SVN, Clear Case, VSS, TFS, PVCS

Web Servers: IHS, SunOne and Apache Java

Technologies: Servlets, JSP, Beans, EJB (Including MDB), J2EE, Swing, JDBC, JMS, JNDI, RMI, Java Mail

PROFESSIONAL EXPERIENCE

Confidential, San Diego, CA

System Engineer/DevOps

Responsibilities:

• Installed and configured Redhat 5.x, 6.x, Ubuntu, SUSE Linux in test, development and production servers.
• Installed, configured and administered Kickstart, Jumpstart in various Red Hat and IBM server.
• Worked on installation and configuration of DHCP, DNS, NFS, FTP, SSH, SendMail, Apache, Samba, RPM package management.
• Deployed RHEL 6x, 5x in an enterprise setting.
• Used various scripting languages like in Bash, Ruby and Python.
• Definition, implementation of code line policies, branching and organizational best practices
• Managed source control systems such as Microsoft TFS, CVS and PCVS.
• Implementation of scripting solutions using Shell, Perl, and SQL supporting the RM goals across the application and product life cycle.
• Worked on Installation, Configuration, and Implementation of Virtualization Environment Using VMware
• Support operations starting from development to QA onwards to production.
• Identify, troubleshoot, and resolve problems with the build process
• Developed and maintained deployment plans, release notes and version matrix.
• Worked with VMware Vsphere Client V 5.5 to build, support and maintain virtual servers.
• Worked on PXE booting, DHCP configuration and installing patches and other software on the VMs. Also worked on migration of data from Windows to VMs.
• Produced automated software builds using variety of open source, scripting and proprietary tools.
• Developed automation scripts and deployed through puppet across servers.
• Proficient configuring puppet for automation.
• Identify, troubleshoot, and resolve problems with the build process
• Developed and maintained standard operating procedures and work instructions for deployment processes.
• Automate deployment and release distribution process with Shell, Perl and Hudson
• Maintenance of continuous integration based on Maven and Hudson

Environment: Redhat 5.x,6.x, Ubuntu, Suse, VMware, Shell script, Perl script, Puppet, CLEARCASE, Clear Quest, PVCS, Serena Dimensions, SVN, ANT, MAVEN, Cruise control, Hudson, VMware, IBM Websphere Application Server, Weblogic Application Server, TortoiseSVN.

Confidential, St. Louis, MO

DevOps/Linux Consultant

Responsibilities:

• Worked on migration, patching and upgrade of Red hat servers.
• Performed server consolidation and virtualization using HPSA VSphere ESX.
• Involved in Creating/Enhancing/automating build and deployment processes for each release and backup, restore and upgrade.
• Responsible for continuous integration of application.
• Setup and Configure the continuous build system using Hudson/Jenkins and running automation smoke / nightly test suites.
• Worked with Chef and configured them.
• Worked in Installation, Migration, Integration, Implementation, Release and building of products.
• Maintained and executed build scripts using Maven by coordinating with development and quality assurance teams.
• Configured Network Concepts DNS, NIS and DHCP, troubleshooting network problems such as TCP/IP, providing support for users in solving their problems.
• Monitored and troubleshoot Servers using various third party tools like Nagios,, iMon and Nmon.
• Storage Migration in VMware ESX server using VMotion.
• Administered Sonatype Nexus, Proposed and implemented user strategy suitable for agile/scrum development in a Fast Paced Engineering Environment.
• Created and maintained Subversion, objects including branches, tags and trunks.
• Maintained Sonar to continuously analyze and measure code quality.
• Managed product baselines, and assisted users to merge streams.
• Provided support to developers in writing configuration-specs.
• Debugged performance related issues with Ant scripts and helped improved the build process.
• Modularized unstructured Ant scripts and utilized properties file for reducing the complexity and making it more manageable.

Environment: Unix, Redhat, Java, Chef, Ant, Maven, Sonatype Nexus, Cygwin, Jenkins, VMWare, Sonar, SVN, Hudson, Tomcat Apache Application Server.

Confidential, Addison, TX

Build and Release Engineer

Responsibilities:

• Trained developers in the use of TortoiseSVN and WebSVN as GUI clients for Subversion.
• Performed merging from development to parent branches prior to building the code.
• Set up the build and deployment scripts using Anthillpro for .NET applications using IIS7 and ISS6.
• Setup the build and deployment scripts using Anthillpro for J2EE and Java applications using Web logic Application Server and ALSB.
• Built a comprehensive PERL script, which would call the required Make files and notify the build distribution team in case of Build errors or Completion of the builds.
• Worked in creating Websphere Application Server Clustered Environments and handling Load Balancing for QA, UAT and Production.
• Setup the builds scripts to generate reports for JUNIT Tests results, Cobertura Code Coverage results.
• Installed and configured Subversion server on Linux via the Apache Web Server to provide access over the Http protocol.
• Worked on system analysis, troubleshooting and performance tuning of operating systems
• Extensively used Ant, Maven, Perl and Bash Scripts for automating build and release tasks.
• Implemented Shell and Perl scripts for release and buildautomation. Manipulated and automated scripts to suit requirement.
• Demonstrated experience in the Web and Application server administration with good knowledge of Apache and JBoss Application Platform products.
• Proficient in deploying and support applications on Websphere, Tomcat, Weblogic application servers

Environment: LINUX, Unix, C++, Java, Eclipse, Ant, Websphere Application Server (WAS), CVS, SmartCVS, Cygwin, Microsoft Visual Studio, MSBuild, Test Director, Hudson, Quality center, WSAD.

Confidential, Bellevue, WA

Linux/AIX Systems Engineer

Responsibilities:

• Installing, Configuring and Upgrading of the Redhat Enterprise Linux 3/4.
• Controlled disk operations, disk group operations, volume operations and volume configurations using vxdisk, vxdg, vxassist, vxmake and vxvol in Veritas Volume Manager.
• Configured Printers, Print Server and Print Clients using commands like lp, lpstat, lpadmin, lpfilter& GUI.
• Configured and administered Samba to provide file services, resolved various inter-operability issues between Windows NT & Linux platforms
• Installation, Setup and Configuration of WebLogic 9.0/8.1 application server.
• Disk Management using different RAID technologies in Linux using Veritas Volume Manager and LVM.
• Veritas Cluster Installation and Configuration along with Resources and Service Groups Configuration in VCS.
• Configuration and administration of DNS, LDAP, NFS, NIS and Samba in Redhat Linux.
• Network trouble-shooting using ndd, traceroute, netstat, ifconfig and snoop.
• Administered and Managed Network Applications and Services like NFS with Hummingbird connectivity V7.1.
• Involved in Configuring DHCP server and giving IP addressing dynamically.
• FTP Server configuration in Linux and done kernel tuning on Linux for play out software.
• Involved in creating new users, groups and setup their home directories and appropriate access restrictions to software and directories & files using access modes.
• Written Shell scripts to run Batch Jobs on Redhat Linux servers.
• Provided system performance reporting on a regular basis along with keeping all software at current version levels, and maintaining a log of changes for tracking.

Environment: Redhat Linux 3.x/4.x, Linux Servers, Veritas volume manager 3.5/4.x, LVM, Websphere 5.x/6.x, JBoss 4.0, Veritas Net Backup 5.x/6.0, vbscript, pearl, Oracle 9i, HP-UX, Windows 2003/2000.